Flushrenic 38CM Heavy Duty U Shape Security Lock Solid Alloy Steel Adjustable Anti Theft Bike Glass Door Lock With 8 Keys

• Adjustable 210–320mm Locking Span Fits Most Sliding Glass Shop DoorsTelescopic double bolt design delivers flexible locking distance adjustment from 210mm minimum to 320mm maximum. The 385mm total U-bar length accommodates single and double sliding glass doors, office partition doors, retail storefronts, balcony sliding doors and warehouse display windows, eliminating size mismatch issues for most commercial glass door types.
• Solid Alloy Thickened Anti-Cut U-Bar for High Anti-Prying SecurityThe U-shaped locking rod adopts solid alloy steel construction with thickened 15mm main bar diameter and 12mm bolt rods. Integrated black anti-rust coating resists  bolt cutters and brute force prying attacks, far outperforming hollow thin metal U locks that are easy to break for enhanced store and property safety.
• Premium Anti-Theft  Lock Cylinder with 8 Matching Duplicate KeysEquipped with high-security  tooth lock core, complex internal tooth structure effectively prevents technical picking, lock bumping and duplicate key cracking. Comes with a full set of 8 identical anti-theft keys split into two key rings, convenient for multi-person management of shops, offices and rental stores without worrying about key loss emergencies.
• All-Weather Anti-Corrosion Full Metal Structure for Long Service LifeThe lock body is forged from solid alloy steel, paired with sealed rust-proof surface coating on the entire U-bar. It withstands outdoor rain, humidity and temperature changes without rust, oxidation or lock cylinder jamming, suitable for street-facing shop doors, balcony exterior sliding doors and wet commercial storefront environments.
• Wide Multi-Scenario Commercial & Household Security ApplicationVersatile heavy-duty security lock ideal for retail glass storefronts, supermarket display sliding doors, office glass partition doors, balcony patio sliding doors, warehouse windows and rental shop entry doors. Simple one-hand lock/unlock operation without complex installation, an affordable upgrade over fragile standard sliding door latches.

Adjustable U-Shaped Security Padlock with 8 Leaf Keys